@typeparam TItem
@inherits RadzenDataFilterProperty<TItem>

@code {
    public override IEnumerable<FilterOperator> GetFilterOperators()
    {
        var operators = base.GetFilterOperators();

        if (FilterPropertyType == typeof(DateTime?))
        {
            operators = operators.Where(o => 
                o != FilterOperator.IsNull && o != FilterOperator.IsNotNull && 
                o != FilterOperator.Equals && o != FilterOperator.NotEquals);
        }

        return operators;
    }
}